package com.gzsxy.state;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.SimpleFormatter;

//模拟倒计时，，，
public class TestSleep2 {

    public static void main(String[] args) {

        //打印当前系统时间
        Date startTime = new Date(System.currentTimeMillis());

        while (true) {
            try {
                Thread.sleep(1000);
                System.out.println(new SimpleDateFormat("yyyyMMdd HH:mm:ss").format(startTime));
                startTime = new Date(System.currentTimeMillis());//更新当前时间
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }


//        try {
//            tenDown();
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
    }


    //模拟倒计时
    public static void tenDown() throws InterruptedException {
        int num = 10;

        while (true) {
            Thread.sleep(1000);
            System.out.println(num--);
            if (num <= 0) {
                break;
            }

        }
    }
}
